CN108194387A - Axial flow blower - Google Patents
Axial flow blower Download PDFInfo
- Publication number
- CN108194387A CN108194387A CN201810183990.5A CN201810183990A CN108194387A CN 108194387 A CN108194387 A CN 108194387A CN 201810183990 A CN201810183990 A CN 201810183990A CN 108194387 A CN108194387 A CN 108194387A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- blade
- electric machine
- axial flow
- flow blower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007704 transition Effects 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 5
- 238000013517 stratification Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001869 rapid Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
- F04D29/329—Details of the hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of axial flow blower, the present invention has external rotor electric machine, fixed frame and impeller；The fixed frame has outer ring body；The external rotor electric machine is fixedly connected on the center of fixed frame；The impeller is fixedly connected on the outer rotor of external rotor electric machine；The wheel rotation is arranged in outer ring body；The impeller includes wheel hub；The wheel hub upper edge rotation axis circle distribution has multiple blades；The center of wheel hub is equipped with the through-hole passed through for the outer rotor of external rotor electric machine, and surrounding through-hole circle distribution on wheel hub has mounting hole；The periphery of the outer rotor of the external rotor electric machine is equipped with annular flange terminal pad；The wheel hub is sleeved on the outside of the outer rotor of external rotor electric machine, and passes through and connect bolt and be fixedly connected across mounting hole with annular flange terminal pad.The connection mode of impeller and external rotor electric machine is greatly reduced whole height, it is made to be equally applicable in some limited installation spaces by the present invention.
Description
Technical field
The present invention relates to a kind of axial flow blowers.
Background technology
Axial flow blower is rotated by impeller, and gas is parallel to the device of fan shaft flowing.Axial flow blower is generally used for
Traffic requirement is higher and occasion that pressure requirements are relatively low.The purposes of axial flow blower is very extensive, such as electric fan, outdoor machine of air-conditioner wind
Fan, automobile axial flow blower etc..Axial flow blower is mainly made of impeller and casing, simple in structure but index request is very high.
When the impeller of traditional axial flow blower is fixedly connected with external rotor electric machine, need first to be sleeved on the wheel hub of impeller outer
On the outer rotor of rotor electric machine, then it is bolted to connection.Since the wheel hub of impeller inherently has certain thickness,
After installation, whole height increases, and inside some particular surroundings, and does not apply to.
Meanwhile it is to determine with good aeroperformance and noise specification as the core component impeller of axial flow blower
The key of axial flow blower performance.And the designs such as the arrangement of impeller blade, the shape of blade, angle of blade can directly affect
The aeroperformance and noise of impeller.
Furthermore some axial flow blower impellers can increase a rotating ring to ensure its performance at the top of blade.Leaf
The top of piece and the joint of rotating ring often form a large amount of dust stratifications with using, so as to influence the performance of axial flow blower.For
Solution problem above generally requires to remove dust stratification by maintenance.But just because of the presence of dust stratification problem so that axis stream wind
The maintenance frequency of machine is excessive, reduces service efficiency.
Invention content
The purpose of the present invention is a kind of height is low, whole aeroperformance is good, low noise, and can effectively reduce maintenance frequency
Axial flow blower.
Realizing the technical solution of the object of the invention is：The present invention has external rotor electric machine, fixed frame and impeller；The fixation
Frame has outer ring body；The external rotor electric machine is fixedly connected on the center of fixed frame；The impeller is fixedly connected on external rotor electric
On the outer rotor of machine；The wheel rotation is arranged in outer ring body；The impeller includes wheel hub；The wheel hub upper edge rotation axis
Circle distribution has multiple blades；The center of wheel hub is equipped with the through-hole passed through for the outer rotor of external rotor electric machine, is surrounded on wheel hub logical
Hole circle distribution has mounting hole；The periphery of the outer rotor of the external rotor electric machine is equipped with annular flange terminal pad；The wheel
Hub sleeve passes through mounted in the outside of the outer rotor of external rotor electric machine and connects bolt and fixed across mounting hole with annular flange terminal pad
Connection.
The medial surface of the through-hole of wheel hub is equipped with multiple along rotation axis circle distribution and the reinforcement parallel with rotation axis
Muscle.
The side of blade is leading edge, and opposite side is rear；The leading edge of the blade is equipped with the turbulator with blade one；Institute
It states turbulator and includes multiple protrusions arranged along up-front extending direction；The arrangement form waveform of the protrusion.
Meanwhile also there is the rotating ring coaxial with wheel hub；Wheel hub links into an integrated entity with root of blade, vane tip and rotation
Ring links into an integrated entity.
Above-mentioned turbulator extends to vane tip from root of blade；The protrusion that turbulator is located at root of blade is connect with wheel hub
Integrally；The protrusion that turbulator is located at vane tip links into an integrated entity with rotating ring.
Above-mentioned turbulator is located at the protrusion of vane tip, to the leading edge far from blade and direction gradually close to rotating ring
Natural transition, and formed and linked into an integrated entity with rotating ring and higher than the extension of other protrusions.
Above-mentioned protrusion includes riser portions and fall；The turbulator is located at the protrusion of vane tip, along its riser portions
Extending direction links into an integrated entity to rotating ring nature transition formation and rotating ring higher than the extension of other protrusions.
The angle of the tangent line of above-mentioned vane tip and the tangent line of rotating ring is 10 °~30 °.
On above-mentioned rotating ring notch is equipped with the intersection of the pressure face of blade；The bottom surface of notch is along its corresponding blade
Pressure face extends.
As an optimization, the bottom surface of above-mentioned notch extends to the rear of blade from the up-front one end of extension far from blade.
The present invention has positive effect：(1) connection mode of the invention by impeller and external rotor electric machine, greatly reduces
Whole height makes it be equally applicable in the effective environment of some installation spaces；
(2) it is good by turbulator to substantially increase whole aeroperformance by the present invention, and can reduce noise；
(3) present invention further improves aeroperformance, and further reduced and make an uproar by the optimization design of turbulator
Sound；
(4) present invention further improves aeroperformance, further reduced noise by the extension of turbulator；
(5) present invention eliminates dust stratification dead angle, greatly reduces the maintenance frequency of wind turbine by the notch on rotating ring；
(6) present invention in notch optimization design, further obviate dust stratification dead angle；
(7) present invention can be effectively increased heat dissipation effect by rib, ensure the stability and service life to work long hours.
Description of the drawings
In order that the present invention can be more clearly and readily understood, it is right below according to specific embodiment and with reference to attached drawing
The present invention is described in further detail, wherein
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the exploded perspective view of the present invention；
Fig. 3 is the structure diagram of external rotor electric machine in the present invention；
Fig. 4 is the structure diagram of impeller in the present invention；
Fig. 5 is the front view of impeller in the present invention；
Fig. 6 is impeller and air quantity-Pressure testing correction data figure with existing impeller in the present invention；
Fig. 7 is air quantity-efficiency test correction data figure of impeller and existing impeller in the present invention；
Fig. 8 is air quantity-noise testing correction data figure of impeller and existing impeller in the present invention.
Specific embodiment
(embodiment one)
See Fig. 1 to Fig. 5, the present invention has external rotor electric machine 1, fixed frame 2 and impeller 3；The fixed frame 2 has outer shroud
Body；The external rotor electric machine 1 is fixedly connected on the center of fixed frame 2；The impeller 3 is fixedly connected on the outer of external rotor electric machine 1
On rotor；The impeller 3 is rotatably arranged in outer ring body；The impeller 3 includes the wheel hub 31 of coaxial arrangement and rotating ring 33；Institute
State between wheel hub 31 and rotating ring 33 has multiple blades 32 along rotation axis circle distribution；Wheel hub 31 is connect with root of blade 322
Integrally, vane tip 323 links into an integrated entity with rotating ring 33.
The center of wheel hub 31 is equipped with the through-hole passed through for the outer rotor of external rotor electric machine 1, and through-hole circumference is surrounded on wheel hub 31
Mounting hole is distributed with；The periphery of the outer rotor of the external rotor electric machine 1 is equipped with annular flange terminal pad；31 sets of the wheel hub
Mounted in the outside of the outer rotor of external rotor electric machine 1, and pass through to connect bolt and fix with annular flange terminal pad across mounting hole and connect
It connects.
The medial surface of the through-hole of wheel hub 31 be equipped with it is multiple along rotation axis circle distribution and it is parallel with rotation axis plus
Strengthening tendons 311.
The side of blade 32 is leading edge, and opposite side is rear；The leading edge of the blade 32 is equipped with the rapids with 32 one of blade
Flow device 321；The turbulator 321 includes multiple protrusions arranged along up-front extending direction；The arrangement form wave of the protrusion
Shape wave.
The turbulator 321 extends to vane tip 323 from root of blade 322；Turbulator 321 is located at root of blade 322
Protrusion link into an integrated entity with wheel hub 31；Turbulator position 321 links into an integrated entity in the protrusion of vane tip 323 with rotating ring 33.
The protrusion includes riser portions and fall；The turbulator 321 is located at the protrusion of vane tip 323, along thereon
The extending direction of ascending part links into an integrated entity with rotating ring 33 higher than the extension of other protrusions to the natural transition formation of rotating ring 33
Portion 324.
The tangent line of the vane tip 323 and the angle of the tangent line of rotating ring 33 are 10 °~30 °.
On the rotating ring 33 notch 34 is equipped with the intersection of the pressure face 325 of blade 32；The bottom surface of notch 34 along its
The pressure face 325 of corresponding blade 32 extends.And extend to blade 32 from the up-front one end of extension 324 far from blade 32
Rear.
The inner wall upper edge rotation axis circle distribution of wheel hub 31 is useful for the rib to radiate during rotation.
The rib is in foliaceous.
Just as shown in Figure 6 to 8, the present invention has more prominent aeroperformance and low noise.
(embodiment two)
Turbulator 321 of the present invention is located at the protrusion of vane tip 323, to the leading edge far from blade 32 and gradually to rotating ring
33 close direction nature transition, and formed and linked into an integrated entity with rotating ring 33 and higher than the extension 324 of other protrusions.Other
Technical characteristic is identical with embodiment one.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of axial flow blower has external rotor electric machine (1), fixed frame (2) and impeller (3)；The fixed frame (2) has outer shroud
Body；The external rotor electric machine (1) is fixedly connected on the center of fixed frame (2)；The impeller (3) is fixedly connected on external rotor electric machine
(1) on outer rotor；The impeller (3) is rotatably arranged in outer ring body；It is characterized in that：The impeller (3) is including wheel hub
(31)；Wheel hub (31) the upper edge rotation axis circle distribution has multiple blades (32)；The center of wheel hub (31) is equipped with to be turned for outer
The through-hole that the outer rotor of sub-motor (1) passes through has mounting hole on wheel hub (31) around through-hole circle distribution；The external rotor electric machine
(1) periphery of outer rotor is equipped with annular flange terminal pad；The wheel hub (31) is sleeved on outer turn of external rotor electric machine (1)
The outside of son, and pass through and connect bolt and be fixedly connected across mounting hole with annular flange terminal pad.
2. axial flow blower according to claim 1, it is characterised in that：The medial surface of the through-hole of wheel hub (31) is equipped with multiple
Along rotation axis circle distribution and the reinforcing rib parallel with rotation axis (311).
3. axial flow blower according to claim 1 or 2, it is characterised in that：The side of blade (32) is leading edge, and opposite side is
Rear；The leading edge of the blade (32) is equipped with the turbulator (321) with blade (32) one；The turbulator (321) is including more
A protrusion arranged along up-front extending direction；The arrangement form waveform of the protrusion.
4. axial flow blower according to claim 3, it is characterised in that：Also there is the rotating ring coaxial with wheel hub (31)
(33)；Wheel hub (31) links into an integrated entity with root of blade (322), and vane tip (323) links into an integrated entity with rotating ring (33).
5. axial flow blower according to claim 4, it is characterised in that：The turbulator (321) is prolonged from root of blade (322)
Reach vane tip (323)；Turbulator (321) links into an integrated entity positioned at the protrusion of root of blade (322) with wheel hub (31)；Turbulent flow
Device position (321) links into an integrated entity in the protrusion of vane tip (323) with rotating ring (33).
6. axial flow blower according to claim 5, it is characterised in that：The turbulator (321) is positioned at vane tip (323)
Protrusion, to far from blade (32) leading edge and direction nature transition gradually close to rotating ring (33), and formed and rotation
Ring (33) links into an integrated entity and higher than the extension (324) of other protrusions.
7. axial flow blower according to claim 5, it is characterised in that：The protrusion includes riser portions and fall；It is described
Turbulator (321) positioned at vane tip (323) protrusion, along the extending direction of its riser portions to the natural transition shape of rotating ring (33)
It links into an integrated entity into rotating ring (33) higher than the extension (324) of other protrusions.
8. axial flow blower according to claim 4, it is characterised in that：The tangent line and rotating ring of the vane tip (323)
(33) angle of tangent line is 10 °~30 °.
9. axial flow blower according to claim 4, it is characterised in that：Pressure on the rotating ring (33) with blade (32)
The intersection in face (325) is equipped with notch (34)；Prolong along the pressure face (325) of its corresponding blade (32) bottom surface of notch (34)
It stretches.
10. axial flow blower according to claim 9, it is characterised in that：The bottom surface of the notch (34) is from extension (324)
Up-front one end far from blade (32) extends to the rear of blade (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183990.5A CN108194387B (en) | 2018-03-07 | 2018-03-07 | Axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183990.5A CN108194387B (en) | 2018-03-07 | 2018-03-07 | Axial flow fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108194387A true CN108194387A (en) | 2018-06-22 |
| CN108194387B CN108194387B (en) | 2024-06-14 |
Family
ID=62594684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810183990.5A Active CN108194387B (en) | 2018-03-07 | 2018-03-07 | Axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194387B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209952A (en) * | 2018-11-09 | 2019-01-15 | 仪坤动力科技（上海）有限公司 | Blade and internal rotor integral structure and blower with fixing axle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087898A (en) * | 1998-09-08 | 2000-03-28 | Matsushita Refrig Co Ltd | Axial flow blower |
| CN101858242A (en) * | 2009-04-09 | 2010-10-13 | 罗伯特·博世有限公司 | Engine cooling fan assembly |
| CN102606527A (en) * | 2011-01-25 | 2012-07-25 | 盖茨股份有限公司 | Fan impeller and fan with fan impeller |
| CN202391808U (en) * | 2011-12-13 | 2012-08-22 | 广东美的电器股份有限公司 | Low-noise axial flow air wheel |
| CN103062111A (en) * | 2012-10-09 | 2013-04-24 | 宁波风机有限公司 | Fan impeller |
| CN103671250A (en) * | 2012-09-05 | 2014-03-26 | 德昌电机(深圳)有限公司 | Fan |
| CN104196754A (en) * | 2014-08-11 | 2014-12-10 | 上海马陆日用友捷汽车电气有限公司 | Multifunctional fan blade hub |
| CN204003532U (en) * | 2014-07-21 | 2014-12-10 | 王东茂 | Removable fan structure |
| JP2016102467A (en) * | 2014-11-28 | 2016-06-02 | 株式会社デンソー | Blower device |
| CN206397810U (en) * | 2016-12-27 | 2017-08-11 | 广东泛仕达机电有限公司 | A kind of impeller assembly and the blower fan including the impeller assembly |
| CN207906107U (en) * | 2018-03-07 | 2018-09-25 | 常州祥明智能动力股份有限公司 | Axial flow blower |
-
2018
- 2018-03-07 CN CN201810183990.5A patent/CN108194387B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087898A (en) * | 1998-09-08 | 2000-03-28 | Matsushita Refrig Co Ltd | Axial flow blower |
| CN101858242A (en) * | 2009-04-09 | 2010-10-13 | 罗伯特·博世有限公司 | Engine cooling fan assembly |
| CN102606527A (en) * | 2011-01-25 | 2012-07-25 | 盖茨股份有限公司 | Fan impeller and fan with fan impeller |
| CN202391808U (en) * | 2011-12-13 | 2012-08-22 | 广东美的电器股份有限公司 | Low-noise axial flow air wheel |
| CN103671250A (en) * | 2012-09-05 | 2014-03-26 | 德昌电机(深圳)有限公司 | Fan |
| CN103062111A (en) * | 2012-10-09 | 2013-04-24 | 宁波风机有限公司 | Fan impeller |
| CN204003532U (en) * | 2014-07-21 | 2014-12-10 | 王东茂 | Removable fan structure |
| CN104196754A (en) * | 2014-08-11 | 2014-12-10 | 上海马陆日用友捷汽车电气有限公司 | Multifunctional fan blade hub |
| JP2016102467A (en) * | 2014-11-28 | 2016-06-02 | 株式会社デンソー | Blower device |
| CN206397810U (en) * | 2016-12-27 | 2017-08-11 | 广东泛仕达机电有限公司 | A kind of impeller assembly and the blower fan including the impeller assembly |
| CN207906107U (en) * | 2018-03-07 | 2018-09-25 | 常州祥明智能动力股份有限公司 | Axial flow blower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209952A (en) * | 2018-11-09 | 2019-01-15 | 仪坤动力科技（上海）有限公司 | Blade and internal rotor integral structure and blower with fixing axle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108194387B (en) | 2024-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107975494B (en) | Axial flow wind wheel and air conditioner | |
| CN207906107U (en) | Axial flow blower | |
| CN205154744U (en) | Centrifugal turbine fan blade and use its motor and food mixer | |
| CN108194387A (en) | Axial flow blower | |
| CN207920903U (en) | A kind of axial flow blower | |
| CN201080925Y (en) | Fan flow guiding structure | |
| CN207920966U (en) | A kind of axial flow fan vane wheel | |
| CN109595197A (en) | A kind of blower | |
| CN209925295U (en) | Fin-shaped bionic noise-reduction centrifugal fan | |
| CN108167208A (en) | A kind of axial flow blower | |
| CN202679887U (en) | Wind-pressure enhanced radiating module | |
| JP3110209U (en) | Centrifugal fan for roof | |
| CN212130857U (en) | Centrifugal type garbage cleaning suction fan | |
| CN207906150U (en) | Axial flow fan vane wheel | |
| CN108591119A (en) | A kind of axial flow fan vane wheel | |
| CN207261309U (en) | Axial-flow windwheel | |
| CN109707666B (en) | Super-high power type fan impeller | |
| CN109595198A (en) | A kind of draught fan impeller | |
| CN113309714A (en) | Multi-wing centrifugal fan and household appliance | |
| CN207848044U (en) | A kind of polygon wheel hub low-noise cooling tower axial flow blower | |
| WO2019230582A1 (en) | Propeller fan and air conditioner outdoor unit provided with propeller fan | |
| CN105673557A (en) | Centrifugal fan device of large-discharge-capacity oilless air compressor of rail transit and mounting method thereof | |
| CN209494760U (en) | A kind of draught fan impeller | |
| CN209494759U (en) | A kind of blower | |
| CN219865638U (en) | Cooling fan noise reduction structure, cooling system and engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |